#!/usr/bin/python
# -*- coding: UTF-8 -*-

for letter in "Python":     # 第一个实例
   print '当前字母 :', letter

fruits = ['banana', 'apple',  'mango']
for fruit in fruits:        # 第二个实例
   print '当前水果 :', fruit

print "Good bye!"

print "================================"

fruits = ['banana', 'apple',  'mango']
for index in range(len(fruits)):
   print '当前水果 :', fruits[index]

print "Good bye!"


print "================================"


for key in {"one":"banana","two":"apple","three":"mango"}:
    print key;
for key,value in {"one":"banana","two":"apple","three":"mango"}.items():
    print key,value;